Locality: ⓘ Nashik District (Nasik District), Maharashtra, India Dimensions: 14.8 cm x 10.2 cm x 6.5 cm Aluminoceladonite-included Heulandite. — Photo: Robert M. Lavinsky · CC BY-SA 3.0
Aluminoceladonite
A low-temperature potassium mica and one end-member of the illite–aluminoceladonite series.
Intro adapted from Wikipedia (CC BY-SA).
Aluminoceladonite is an IMA-recognized mineral species in the silicate class, with the chemical formula K(Mg,Fe²⁺)Al(Si₄O₁₀)(OH)₂.
It crystallizes in the monoclinic crystal system (space group C2/m). It is a member of the Mica structural group.
IMA symbol Acel, IMA status: approved, named in 1883.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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